`calendar42.com`

DNSSEC	⚠️ Not signed
A	2606:4700:3034::ac43:d2f6^{🇺🇸 Cloudflare2606:4700:3034::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	2606:4700:3035::6815:3d89^{🇺🇸 Cloudflare2606:4700:3035::/48 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	104.21.61.137^{Cloudflare104.21.48.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
A	172.67.210.246^{🇺🇸 Cloudflare172.67.208.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US} ✓ In HTTPS hints
NS	`graham.ns.cloudflare.com` ⭐
		A	2606:4700:58::adf5:3bab^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`graham.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c1ab^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`graham.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:21ab^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`graham.ns.cloudflare.com`
		A	108.162.193.171^{🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`graham.ns.cloudflare.com`
		A	172.64.33.171^{🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`graham.ns.cloudflare.com`
		A	173.245.59.171^{🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`graham.ns.cloudflare.com`
NS	`sreeni.ns.cloudflare.com`
		A	2606:4700:50::a29f:26b2^{🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sreeni.ns.cloudflare.com`
		A	2803:f800:50::6ca2:c2b2^{🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L}
			PTR	`sreeni.ns.cloudflare.com`
		A	2a06:98c1:50::ac40:22b2^{🇺🇸 Cloudflare2a06:98c1:50::/45}
			PTR	`sreeni.ns.cloudflare.com`
		A	108.162.194.178^{🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sreeni.ns.cloudflare.com`
		A	162.159.38.178^{Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sreeni.ns.cloudflare.com`
		A	172.64.34.178^{🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US}
			PTR	`sreeni.ns.cloudflare.com`
MX	`mx.stackmail.com` ⭐
		A	185.151.28.67^{🇬🇧 TWENTYI185.151.28.0/24}
			PTR	`mx.stackmail.com`
TXT	`v=spf1 include:spf.stackmail.com a mx -all`
HTTPS	HTTP/3, HTTP/2 ✓ hints match
		IPv4	104.21.61.137, 172.67.210.246
		IPv6	2606:4700:3034::ac43:d2f6, 2606:4700:3035::6815:3d89
SOA	`graham.ns.cloudflare.com`dns@cloudflare.com serial=2395190268

`com`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1774555127

WOT: UNKNOWN (85/100)

Same first word

calendar42.com

Similar names

careland24.blogspot.com

calendar24.us

DNS History

19 records (7 active, 12 former)

●NSgraham.ns.cloudflare.com2026-02-21 → 2026-03-26 · 3 obs

○ 2020-02-08 10:17:08
● 2026-02-21 21:13:10
● 2026-03-26 20:20:46

○NSns0.leaseweb.nl2015-07-25 → 2020-02-08 · 4 obs

● 2015-07-25 04:05:42
● 2020-02-08 10:17:08
○ 2026-02-21 21:13:10
○ 2026-03-26 20:20:46

○NSns1.leaseweb.nl2015-07-25 → 2020-02-08 · 4 obs

● 2015-07-25 04:05:42
● 2020-02-08 10:17:08
○ 2026-02-21 21:13:10
○ 2026-03-26 20:20:46

○NSns4.leaseweb.net2015-07-25 → 2020-02-08 · 4 obs

● 2015-07-25 04:05:42
● 2020-02-08 10:17:08
○ 2026-02-21 21:13:10
○ 2026-03-26 20:20:46

○NSns5.leaseweb.nl2015-07-25 → 2020-02-08 · 4 obs

● 2015-07-25 04:05:42
● 2020-02-08 10:17:08
○ 2026-02-21 21:13:10
○ 2026-03-26 20:20:46

●NSsreeni.ns.cloudflare.com2026-02-21 → 2026-03-26 · 3 obs

○ 2020-02-08 10:17:08
● 2026-02-21 21:13:10
● 2026-03-26 20:20:46

○MXalt1.aspmx.l.google.com2020-02-08 → 2020-02-08 · 4 obs

○ 2016-07-11 18:30:34
● 2020-02-08 10:17:08
○ 2026-02-21 21:13:10
○ 2026-03-26 20:20:46

○MXalt2.aspmx.l.google.com2020-02-08 → 2020-02-08 · 4 obs

○ 2016-07-11 18:30:34
● 2020-02-08 10:17:08
○ 2026-02-21 21:13:10
○ 2026-03-26 20:20:46

○MXalt3.aspmx.l.google.com2020-02-08 → 2020-02-08 · 4 obs

○ 2016-07-11 18:30:34
● 2020-02-08 10:17:08
○ 2026-02-21 21:13:10
○ 2026-03-26 20:20:46

○MXalt4.aspmx.l.google.com2020-02-08 → 2020-02-08 · 4 obs

○ 2016-07-11 18:30:34
● 2020-02-08 10:17:08
○ 2026-02-21 21:13:10
○ 2026-03-26 20:20:46

○MXaspmx.l.google.com2020-02-08 → 2020-02-08 · 4 obs

○ 2016-07-11 18:30:34
● 2020-02-08 10:17:08
○ 2026-02-21 21:13:10
○ 2026-03-26 20:20:46

●MXmx.stackmail.com2026-02-21 → 2026-03-26 · 3 obs

○ 2020-02-08 10:17:08
● 2026-02-21 21:13:10
● 2026-03-26 20:20:46

○MXsmtp.c42.it2015-07-25 → 2016-07-11 · 4 obs

● 2015-07-25 04:05:42
● 2016-07-11 18:30:34
○ 2020-02-08 10:17:08
○ 2026-03-26 20:20:46

●A104.21.61.1372026-02-21 → 2026-03-26 · 3 obs

○ 2020-02-08 10:17:08
● 2026-02-21 21:13:10
● 2026-03-26 20:20:46

●A172.67.210.2462026-02-21 → 2026-03-26 · 3 obs

○ 2020-02-08 10:17:08
● 2026-02-21 21:13:10
● 2026-03-26 20:20:46

○A185.49.51.682016-03-13 → 2020-02-08 · 5 obs

○ 2015-12-02 14:09:40
● 2016-03-13 00:29:18
● 2020-02-08 10:17:08
○ 2026-02-21 21:13:10
○ 2026-03-26 20:20:46

●A2606:4700:3034::ac43:d2f62026-02-21 → 2026-03-26 · 3 obs

○ 2020-02-08 10:17:08
● 2026-02-21 21:13:10
● 2026-03-26 20:20:46

●A2606:4700:3035::6815:3d892026-02-21 → 2026-03-26 · 3 obs

○ 2020-02-08 10:17:08
● 2026-02-21 21:13:10
● 2026-03-26 20:20:46

○A91.240.240.1462015-07-25 → 2015-12-02 · 4 obs

● 2015-07-25 04:05:42
● 2015-12-02 14:09:40
○ 2016-03-13 00:29:18
○ 2026-03-26 20:20:46

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	a.gtld-servers.net, b.gtld-servers.net, c.gtld-servers.net, d.gtld-servers.net...	-
calendar42.com	graham.ns.cloudflare.com, sreeni.ns.cloudflare.com	12 records

✅ Authoritative Response

Server:108.162.194.178

NS records: graham.ns.cloudflare.com, sreeni.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for calendar42.com (unsigned zone)

⏱️ Timing

Total: 123ms | Queries: -

📄 Records

Type	Count	Sample Data
A	2	`104.21.61.137, 172.67.210.246`
AAAA	2	`2606:4700:3034::ac43:d2f6, 2606:4700:3035::6815:3d89`
NS	2	`graham.ns.cloudflare.com, sreeni.ns.cloudflare.com`
MX	1	`mx.stackmail.com (pri: 10)`
TXT	1	`v=spf1 include:spf.stackmail.com a mx -a`
HTTPS	1	`{"priority":1,"target":".","alpn":["h3",`
SOA	1	`graham.ns.cloudflare.com dns.cloudflare.`

📌 Glue Records Collected

Total: 12

Out-of-bailiwick: 12 (graham.ns.cloudflare.com, graham.ns.cloudflare.com, graham.ns.cloudflare.com...)

Analysis

IP Addresses

Four IP numbers are pointed to by calendar42.com: 2606:4700:3034::ac43:d2f6, 2606:4700:3035::6815:3d89, 104.21.61.137 and 172.67.210.246.

other host names including glocked.com, zeroscaler.io, funds-monero.com, dbsrj.com and marketbatch.com share IP numbers with calendar42.com.

Name Servers

calendar42.com is delegated to two name servers graham.ns.cloudflare.com and sreeni.ns.cloudflare.com.

calendar42.com shares the same name server setup as other domains, for instance frontroll.com, bestbethesdasmile.com, geeks.media, safewwjszkg.shop and lileauxenfants.com.

calendar42.com at least partially shares name servers with other domains, for instance eastwooddental.net, heroin.ws, 19949b.com, frimleyhealthrun.com and mapleleafvn.com.

These name servers are commonly used with june.ns.cloudflare.com, rajeev.ns.cloudflare.com and cash.ns.cloudflare.com.

Host names with six IP numbers:

Host name graham.ns.cloudflare.com points to: 2606:4700:58::adf5:3bab, 2803:f800:50::6ca2:c1ab, 2a06:98c1:50::ac40:21ab, 108.162.193.171, 172.64.33.171 and 173.245.59.171.

Host name sreeni.ns.cloudflare.com points to: 2606:4700:50::a29f:26b2, 2803:f800:50::6ca2:c2b2, 2a06:98c1:50::ac40:22b2, 108.162.194.178, 162.159.38.178 and 172.64.34.178.

Mail Servers

calendar42.com is handled by a single mail server, mx.stackmail.com.

calendar42.com shares the same mail server setup as other domains, for instance jayhawkrealestate.com, ubucks.net, sm-design.co.uk, makrotest.co.uk and isodirect.co.uk.

mx.stackmail.com resolves to IP 185.151.28.67.

calendar42.com - robtex.com

calendar42.com

com

Same first word

Similar names

DNS History

🔍 DNS Trace

📋 Delegation Chain

✅ Authoritative Response

🔒 DNSSEC Status

⏱️ Timing

📄 Records

📌 Glue Records Collected

Analysis

IP Addresses

Name Servers

Mail Servers

`calendar42.com`

`com`